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Dew and rain water collection in the Dalmation coast, Croatia

hal.structure.identifierInternational Organization for Dew Utilization
hal.structure.identifierLaboratoire « Sciences pour l’Environnement » (UMR CNRS 6134 SPE) [SPE]
dc.contributor.authorMUSELLI, Marc
hal.structure.identifierInternational Organization for Dew Utilization
hal.structure.identifierPhysique et mécanique des milieux hétérogènes [PMMH]
hal.structure.identifierService des Basses Températures [SBT ]
dc.contributor.authorBEYSENS, Daniel
hal.structure.identifierInternational Organization for Dew Utilization
hal.structure.identifierCroatian Meteorological and Hydrological Service [DHMZ]
dc.contributor.authorMILETA, Marina
hal.structure.identifierInternational Organization for Dew Utilization
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierESEME : Équipe du Supercritique pour l'Environnement, les Matériaux et l'Espace : Équipe commune CEA-CNRS (2000-2014)
dc.contributor.authorMILIMOUK, Iryna
dc.date.issued2009
dc.identifier.issn0169-8095
dc.description.abstractEnPassive dew harvesting and rainwater collection requires a very small financial investment but can exploit a free, clean (outside urban/industrial zones) and inexhaustible source of water. This study investigates the relative contributions of dew and rain water in the Mediterranean Dalmatian coast and islands of Croatia, with emphasis on the dry summer season. In addition, we evaluate the utility of transforming abandoned roof rain collectors (“impluviums”) to collect dew water too. Two sites were chosen, an exposed open site on the coast favourable to dew formation (Zadar) and a less favourable site in a cirque of mountains in Komiža (Vis Island). Between July 1, 2003 and October 31, 2006, dew was collected two or three times per day on a 1 m2 inclined (30°) test dew condenser, together with standard meteorological data (air temperature and relative humidity, cloud cover, windspeed and direction). Maximum yields were 0.41 mm in Zadar and 0.6 mm in Komiža. The mean yearly cumulative dew yields were found to be 20 mm (Zadar) and 9.3 mm (Komiža). Because of its physical setting, Komiža represents a poor location for dew collection. However, during the dry season (May to October), monthly cumulative dew water yield can represent up to 38% of water collected by rainfall. In both July 2003 and 2006, dew water represented about 120% of the monthly cumulative rain water. Refurbishing the abandoned impluviums to permit dew collection could then provide useful supplementary water, especially during the dry season. As an example, the 1300 m2 impluvium at Podšpilje near Komiža could provide, in addition to rain water, 14,000 L dew water per year.
dc.language.isoen
dc.publisherElsevier
dc.subject.enDew collection
dc.subject.enRadiative cooling
dc.subject.enAtmospheric water
dc.title.enDew and rain water collection in the Dalmation coast, Croatia
dc.typeArticle de revue
dc.identifier.doi10.1016/j.atmosres.2009.01.004
dc.subject.halChimie/Matériaux
dc.subject.halSciences de l'environnement/Biodiversité et Ecologie
bordeaux.journalAtmospheric Research
bordeaux.page455-463
bordeaux.volume92
bordeaux.issue4
bordeaux.peerReviewedoui
hal.identifierhal-00388514
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00388514v1
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